KR100676729B1 - A device for recycling a waste - Google Patents

Abstract

A food and vegetable waste treatment system that improves recycling uses of resources and prevents secondary environmental pollution by simultaneously crushing food and vegetable waste and drying the crushed food and vegetable waste, thereby recycling the food and vegetable waste as a fertilizer or a compost is provided. A food and vegetable waste treatment system comprises: an injection part(110) comprising a vertical conveyor(112), a screen(113), a frame, an agitation screw and an agitation motor to agitate food and vegetable waste and discharge leachate; a sorting conveyor(120) for filtering foreign materials such as bottles contained in food and vegetable waste while longitudinally transferring food and vegetable waste; a crusher(130) which crushes food and vegetable waste and guides primarily crushed food and vegetable waste to the storage tank through a first conveyor(132); a storage tank(140) which stores the primarily crushed food and vegetable waste provisionally and is connected to a second conveyor(142) inclined from a lower part to an upper part; a dewatering part(150) for dewatering the food and vegetable waste supplied through the second conveyor; a drying part(160) which is installed in a lower part of a transfer conveyor(152) and comprises a body, an injection member, an installation stand, a guiding conveyor and a hot air generator to receive and dry dewatered food and vegetable waste; a leachate treatment part(170) comprising transfer pumps, a metering tank, a centrifugal separator, chemical tanks and retention tanks; and a deodorizing part(180) comprising a turbo fan, a collection duct(186) and a housing to collect and purify odor generated from the injection part, the crusher, the storage tank, the dewatering part and the drying part.

Description

Food and Vegetable Waste Disposal System {A Device For Recycling a Waste}

       1 is a process diagram showing a food and vegetable waste treatment system according to the present invention.

2a and 2b is a front view and a side view showing the input of the food and vegetable waste processing system according to the present invention.

Figure 3a and Figure 3b is a cross-sectional view showing the dehydration portion of the food and vegetable waste processing system according to the present invention.

4 is a plan view of the dehydration unit according to the present invention.

5a and 5b is a front sectional view and a side view showing a drying unit of the food and vegetable waste processing system according to the present invention.

Figure 6 is a side view showing a leachate treatment unit of food and vegetable waste treatment system according to the present invention.

Figure 7 is a side view of the deodorizer of the food and vegetable waste processing system according to the present invention.

* Explanation of symbols for main parts of drawings *

110: inlet 112: vertical conveyor

114: frame 117: stirring screw

120: sorting conveyor 130: crusher

140: storage tank 150: dewatering part

152: conveying conveyor 154: case

157: dewatering screw 160: drying unit

161: body 162: input member

166: mounting table 168: guide conveyor

169: hot air fan 170: leachate treatment unit

180: deodorant

The present invention relates to a food and vegetable waste treatment system, and more particularly, to crush and dry food and vegetable waste at the same time to increase the rehabilitation use of resources as feed or composting to prevent secondary environmental pollution One food and vegetable waste processing system relates.

Generally, large agricultural and fish market. Food waste that occurs after eating or cooking at home or in a restaurant is generated, and vegetable waste occurs when cleaning or trimming flowers such as cabbages or roses or lilies.

These food wastes and vegetable wastes (hereinafter referred to as 'life wastes') are collected, transported by truck, and collected at a yard.

However, in the past, household waste disposal is a food waste disposal facility. Soybean Vegetable Garbage Disposal Facility. It is divided into organic living waste facilities, and various treatment facilities are installed and processed, which requires a lot of facility and maintenance costs. It's difficult to recycle because of complex processing. In addition, the leachate and odor generated in the facility could not be collectively processed, resulting in problems such as dualization of the facility and the depth of the aversive facility.

In addition, since the conventional household waste is collected separately for each classification, there must be a collection vehicle and a problem of repeatedly collecting them.

The present invention has been made in order to solve the above problems, it is possible to process and recycle the food and vegetable waste at the same time through the input, crushing, dehydration and drying process of the complex organic waste is carried out according to dehydration It reduces the volume of trash and reduces the weight of trash due to drying, making it easy to transfer to the storage and handling in large quantities. Its purpose is to provide a food and vegetable waste disposal system that is capable of maintaining a clean treatment plant by treating leachate and generated gas highly.

The present invention for achieving the above object is provided in the recessed portion of the bottom to easily pour food and vegetable waste, the leachate leaching from the agitated food and vegetable waste inside is a vibration damping screen of one side slope Leached and transported to the house. The solid waste is fed to a vertical conveyor to transfer upwards, a sorting conveyor for sorting out and discharging foreign matter by receiving food and vegetable waste from the input, and filtering food and vegetables connected to the sorting conveyor. A shredder for guiding the food and vegetable wastes crushed along the first conveyor installed at an angle from the bottom to the top, and crushing the trash, and transporting and storing the food and vegetable wastes crushed by the crusher and slanting from the bottom to the upper direction A storage tank having a second conveyor, a dehydration unit for dehydrating food and vegetable waste discharged from the storage tank through the second conveyor and connecting a conveying conveyor obliquely in an upward direction, and dehydration at the dehydration unit. Of processed food and vegetable waste Take transfer through cupcakes the transfer conveyor and transferred to the drying which is applied dry heat. In the dehydration part, the dehydration liquid is collected in the bottom storage tank, pumped and sludge improved, and the liquid is separated into a decanter centrifugal separator, the cake is transferred to the drying part, and the separated liquid is temporarily stored so that the next process or sewage treatment is performed. . Hazardous gases generated throughout the treatment plant are to propose a food and vegetable waste treatment system that collects and processes biodeodorizers.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a process diagram showing a food and vegetable waste processing system according to the present invention, Figures 2a and 2b is a front view and a side view showing the input of the food and vegetable waste processing system according to the present invention.

3A and 3B are cross-sectional views illustrating a dewatering part of a food and vegetable waste processing system according to the present invention, and FIG. 4 is a plan view of the dewatering part according to the present invention.

In addition, Figures 5a and 5b is a front sectional view and a side view showing a drying unit of the food and vegetable waste processing system according to the present invention.

6 is a side view of the leachate separation unit of the food and vegetable waste treatment system according to the present invention, Figure 7 is a side view of the deodorizing unit of the food and vegetable waste treatment system according to the present invention.

As shown in Figure 1, the food and vegetable waste processing system according to the present invention, the input unit 110, the dust screening screen 112, sorting conveyor 120, shredder 130, storage tank 140, dehydration unit 150, a drying unit 160, a leachate treatment unit 170, and a deodorizing unit 180.

The input unit 110 is a device for initially receiving food and vegetable waste, stirring each other and discharging leachate.

As shown in Figure 2a and 2b, the input unit 110 is composed of a vertical conveyor 112, vibration damping screen 113, the frame 114, a stirring screw 118 and a stirring motor 118.

The vibration damping screen 112 is installed at the lower side of the hopper and the manhole lower conveyor to transfer the leachate through the pump to the collecting reservoir.

The frame 114 is formed to receive a large amount of household waste by extending the hopper 115 in the open portion to the top.

In addition, the frame 114 has an empty space for accommodating household waste therein, and forms an outlet 116 in the lower portion so that the stirred household waste can be discharged to the next process.

In addition, the stirring screw 118 is rotatably installed in the frame (114).

In particular, the stirring screw 118 is rotated by the operating force of the stirring motor 118 as it is connected to the stirring motor 118.

The stirring motor 118 is fixedly installed on the outside of the frame (114).

At this time, the stirring motor 118 is installed so that the upper portion is covered by the hopper 115 to protect from dirt falling from the household waste.

In addition, the sorting conveyor 120 is connected to the outlet 116 of the frame 114 to receive the household waste which is agitated and discharged from the stirring screw 118.

In addition, the sorting conveyor 120 is a general conveyor for filtering foreign matters such as bottle and the like contained therein while transporting household waste in the longitudinal direction.

In particular, the outlet 116 of the frame 114 is connected with the vertical conveyor 112.

The vertical conveyor 112 drains the stirred household waste discharged to the discharge port 116 in the vibration suppression screen 112 and pulls the garbage upward.

On the other hand, the shredder 130 is located in the lower end of the sorting conveyor 120 serves to primarily crushed by receiving the household waste filtered out foreign matter.

The shredder 130 generally refers to a device for shredding household waste.

In addition, the crusher 130 is connected to the first conveyor 132 is fixedly installed to be inclined in the upper direction from the bottom.

Thus, the domestic waste primarily shredded by the shredder 130 is guided to the storage tank 140 along the first conveyor 132 is rotated.

The storage tank 140 is a tank for temporarily storing the crushed household waste.

At this time, the storage tank 140 is connected to the second conveyor 142 is fixed to be inclined upward from the bottom.

Thus, the household waste introduced into the storage tank 140 is moved to the dehydration unit 150 through the second conveyor 142.

In particular, the storage tank 140 serves to continuously supply a fixed amount of household waste to the rotating second conveyor 142.

On the other hand, the dewatering unit 150 is a device for draining water contained in the household waste supplied through the second conveyor 142.

As shown in FIGS. 3A and 3B, the dewatering part 150 includes a case 154 and a dewatering screw 157.

The case 154 is formed in a hexahedral shape to have an empty space therein, to form an inlet hole 155 in the upper portion, and a discharge hole 156 in the lower portion.

In addition, the dewatering screw 157 is provided as a pair in close proximity to each other on both sides of the inlet hole (155).

At this time, as shown in Figure 4, the dewatering screw 157 is continuous in the circumference of the shaft 158 and the shaft 158 of a circular tube shape gradually increasing in the direction to transport the contaminants of household waste It has a wing 159 is formed to be.

In particular, the dewatering screw 157 forms the same height of the sum of the shaft 158 and the wing 159 in all positions.

That is, the diameter of the shaft 158 increases from one end to the other end of the dewatering screw 157, and the height of the wing 159 decreases.

In addition, the pair of dewatering screws 157 are arranged in the same direction in which the diameter of the shaft 158 increases from one end to the other end.

The wings 159 are formed symmetrically with each other.

Since the pair of dewatering screws 157 are connected to the dewatering motor 157a and rotate in opposite directions, that is, in the center direction of the inflow hole 155, the household waste is relatively thin in the relatively thin portion of the shaft 158. It moves to the thick portion as is guided to the discharge hole (156).

Therefore, the dewatering filtrate of the household waste and the foreign matter having a relatively small size are dehydrated while passing through the thick portion of the shaft 158 and are discharged to the outside of the case 154 through the discharge hole 156.

In addition, the case 154 has a flange for discharging the dehydration filtrate in the lower center thereof and is connected to the underground storage tank (not shown).

At this time, the discharge hole 156 is discharged from the dehydrated household waste, the transfer conveyor 152 for transferring the dehydrated household waste to the drying unit 160 is installed in communication with the discharge hole 156 lower.
In particular, the case 154 is provided with a mess conveying conveyor 151 on the side.
The contaminant conveying conveyor 151 is connected to a space in which the dewatering screw 157 is mounted.
That is, the dehydration filtrate and the relatively small foreign matter discharged to the lower portion of the dewatering screw 157 is moved to the conveying conveyor 152 through the discharge hole 156, and the relatively large amount of axial movement along the dewatering screw 157 The junk is discharged to the junk conveying conveyor (151).
In addition, the transfer conveyor 152 does not send the dehydrated household waste to the drying unit 160 to variously dispose of the waste, but a storage hopper or incinerator (not shown) to send to an incinerator (not shown) for incineration disposal. It may be installed in communication with).

On the other hand, the drying unit 160 is located in the lower portion of the transfer conveyor 152 is a device for receiving and drying the dehydrated household waste.

 As shown in FIGS. 5A and 5B, the drying unit 160 includes a body 161, an input member 162, a mounting table 166, a guide conveyor 168, and a warm air fan 169.

The body 161 is a part for storing the dehydrated household waste for drying, and has an inlet 161a at the top and an outlet 161b at the bottom.

In addition, the input member 162 is located at the top of the inlet 161a of the body 161 and at the bottom of the end of the transfer conveyor 152.

At this time, the input member 162 is rotated by being installed in the input table 163 and the input table 163 for guiding to the input port 161a by receiving the household waste transported along the transfer conveyor 152. It consists of a grinding gear 164 to crush the waste secondary.

In particular, the grinding gears 164 are located in a zigzag shape inside the feeding table 163 and are connected to each other, and all are rotated in the same direction by one grinding motor 165.

The household waste is first shredded in the shredder 130 and then secondly shredded while being introduced between the grinding gears 164.

In addition, the mounting table 166 is arranged in the height direction in the interior of the body 161 to form a layer.

The mounting table 166 is formed integrally with the body 161 by performing a process such as welding a portion in contact with the body 161.

At this time, the adjacent mounting table 166 forms a connection passage 167 at the end corresponding to the diagonal direction to connect each layer.

 And, the guide conveyor 168 is mounted on the mounting table 166, the guide conveyor 168 is rotated in the direction of the connecting passage 167 by the transfer motor 168a, respectively.

That is, the household waste is introduced into the inlet 161a through the inlet member 162, falls to the guide conveyor 168 provided on the mounting table 166 of the uppermost floor, and is then transported to the lower part through the connection passage 167. The conveyor moves to the guide conveyor 168.

Then, the household waste is transported through the lowermost guide conveyor 168 and is discharged to the outside through the outlet 161b.

In addition, the body 161 is fixedly mounted to the hot air fan 169 to face each layer corresponding to between the mounting table (166).

Thus, the hot air blower 169 dries the household waste transported along the guide conveyor 168 while blowing the warm air for each floor.

As shown in FIG. 6, the leachate treatment unit 170 includes a transfer pump 175a, 175b, and 175c, an improvement tank 171, a centrifuge 172, a chemical tank 173a, 173b, and 173c, and a storage tank 174a. , 174b, 174c).
The transfer pump 175a is transferred from the leachate storage tank 174b to the leachate treatment unit 170, and improved chemicals are supplied in a fixed quantity from the chemical tanks 173a and 173b located at the upper side of the leachate treatment unit 170. While improving to an stirrer (not shown), the feed pump 175c is introduced into the centrifuge 172 into the lower feed pump 175c.
At this time, the improved sludge introduced into the centrifuge 172 and the number of sludge floc auxiliary chemicals from the chemical tank 173c at one side of the feed pipe inlet side into the centrifuge 172 at the same time into the centrifuge 172 to pool. The pull-lock settling in the part causes the solids to be dehydrated and discharged to the cake outlet while being transported by the inner screw to the conical dewatering part, and the supernatant separated from the pool is continuously discharged to the centrifuge 172 large diameter axially raised piece flange sphere. It is collected in the outer casing and collected in the separation liquid storage tank (174c) to be transferred to the sewage system or the next process.
Then, the solids discharged to the cake is collected in the hopper is transferred to the inlet hopper of the incineration or drying unit 160 to be dried and recycled, such as dewatered sludge,
Thus, the leachate treatment unit 170 measures the leachate stored leachate step by step into the centrifuge 172 to continuously separate the separation liquid and cake to discharge to each outlet to collect the solids from the leachate treatment unit 170 And water are separated into the liquid.

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 As shown in FIG. 7, the deodorizing unit 180 collects odor generated from the input unit 110, the crusher 130, the storage tank 140, the dehydrating unit 150, and the drying unit 160. It is a purifying device.

In particular, the deodorizing unit 180 is composed of a turbo fan 182, the collecting duct 186, the housing 188.

Here, the collecting duct 186 is formed by extending the branch pipe to the top of each of the input unit 110, crusher 130, storage tank 140, dehydration unit 150 and drying unit 160, respectively The odor is collected and guides the collected odor into the housing 188.

At this time, a turbo fan 182 is provided on the collecting duct 186 to force the odor into the housing 188.

The housing 188 is a general tank structure having activated carbon to purify malodors.

In particular, the housing 188 has a flow hole 189 for discharging the purified air to the outside.

As described above, the food and vegetable waste processing system according to the present invention is separated into solid-liquid separation by separating and discharging the leachate by stirring in an input copper in the process of recycling household waste. The sludge is equipped with a storage tank between the crusher and the dehydrator after sorting, so that it is possible to continuously supply a fixed amount of household waste to the dehydrator, thereby increasing the dehydration power of household waste and separating the leachate generated at a high concentration. It is possible to keep the treatment plant environment clean by lowering it to sewage-related water quality and completely collecting harmful gases from the treatment plant and bio-deodorizing treatment with microorganisms.

In addition, the food and vegetable waste processing system according to the present invention reduces the weight of the household waste through the dehydrator and facilitates incineration during incineration, and is sufficiently dried in a dryer during recycling to a yard. In addition to increasing the transport amount, there is an effect that can be stored for a long time during the off-season recycling.

Claims (7)

It is equipped with an input hopper to easily pour food and vegetable waste, and is connected with a vertical conveyor to discharge the leachate generated from the agitated food and vegetable waste through the vibration screen and to convey the sludge upwards. An input unit; A sorting conveyor for discharging food and vegetable waste sludge discharged from the input unit and transported through the vertical conveyor to separate and separate foreign substances; A shredder connected to the sorting conveyor to shred filtered food and vegetable waste sludge, and guide the shredded food and vegetable waste sludge along the first conveyor installed obliquely from the bottom to the top; A storage tank for receiving and storing the food and vegetable wastes crushed by the crusher, and having a second conveyor obliquely from the lower side to an upper direction, and supplying the food and vegetable waste sludge with a fixed quantity to the second conveyor; A dewatering unit for dehydrating food and vegetable waste sludge discharged from the storage tank through the second conveyor and connecting the conveying conveyor obliquely from the lower side to the upper side; A drying unit configured to transfer food and vegetable waste sludge dehydrated from the dewatering unit through the transfer conveyor, and apply heat to dry the sludge; A leachate treatment unit for highly solid-liquid separation of the leachate discharged from the dust removal screen at the bottom of the input unit and the dehydration liquid generated from the dehydration unit; Food and vegetable waste processing system comprising a deodorizing unit for collecting the harmful gas generated in the crusher, storage tank, dehydration unit and drying unit to purify and discharge the harmful gas therein. The method of claim 1, The input part has an empty space inside, forms a hopper on the open top to introduce the food and vegetable waste, and is provided to discharge the leachate accumulated in the lower portion to the vibration suppression screen and discharge sludge to the vertical conveyor by a predetermined amount. A frame; Arranged side by side in the vertical direction in the interior of the frame, each end is rotatably inserted into both sides of the frame to rotate the agitated food and vegetable waste while stirring the food and vegetable waste A stirring screw for guiding discharge; Food and vegetable waste processing system, characterized in that consisting of a stirring motor connected to one end of each of the stirring screw for transmitting a rotational force forcibly rotating the stirring screw. The method of claim 1, The dewatering part forms an inlet hole at the lower end of the second conveyor to receive food and vegetable waste from the storage tank, discharges the dehydrated dehydration solution to the storage tank through the discharge hole, and also collects the contaminant transport conveyor on the side. A case provided to guide the discharge of the impurities; On the upper surface of the case is provided on both sides with respect to the inlet hole, each of which is connected to the dehydration motor is rotated in the opposite direction to dewater the food and vegetable waste introduced into a pair of dehydration screw to guide the inside of the case Food and vegetable waste processing system, characterized in that configured. The method of claim 3, The dewatering screw consists of a shaft that gradually increases in the longitudinal direction and a blade that gradually decreases in height by the radius of the enlarged shaft; The pair of dewatering screws are arranged in parallel with each other and the blades are formed symmetrically to guide the food and vegetable waste in the axial direction to guide the food and vegetable waste in the axial direction. . The method of claim 1, The drying unit is located at the lower end of the end of the conveying conveyor and has an empty space therein, the body having an inlet at the top and having an outlet at the bottom; An input member which is formed at an upper opening of the body and crushes the food and vegetable waste into the body; An installation table disposed side by side in the horizontal direction inside the body and having a connection path formed at ends that are symmetrical with each other so as to be connected to the lower portion in a diagonal direction; A guide conveyor positioned on the mounting table and gradually guiding the food and vegetable waste in the connecting passage direction by a transfer motor toward the outlet; Food and vegetable waste processing system, characterized in that fixed to the body corresponding to the installation between the configuration consisting of a hot air blower for blowing the warm air to dry the food and vegetable waste. The method of claim 1, The leachate treatment unit temporarily collects the leachate discharged from the vibration suppression screen and the dehydration liquid generated in the dehydration unit and adjusts the pH of the leachate and dehydration liquid collected by an external operation; Food and vegetable waste treatment system comprising a centrifuge connected to the storage tank and discharged the separation liquid in the state in which the sludge is filtered by receiving the leachate and the dehydration liquid pH adjusted by the transfer pump. The method of claim 1 The deodorizing unit and the collecting duct for collecting the odor discharged provided in the upper portion of the input unit, crusher, storage tank, dehydration unit and drying unit; Food and vegetables connected to the collection duct, the housing having a flow hole for transporting the odor collected by the turbo fan to remove the odor with activated carbon filled therein, flowing the purified air to the outside Garbage disposal system.

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